package com.sen.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.sen.reggie.common.R;
import com.sen.reggie.entity.Employee;
import com.sen.reggie.service.EmployeeService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;
import org.springframework.web.bind.annotation.*;
import org.yaml.snakeyaml.events.Event;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

/**
 * @author: Zs
 * @date:2022/6/1 2:55
 */
@RestController
@RequestMapping("/employee")
@Slf4j
public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;

    /***
     *  员工登录
     * @param request
     * @param employee
     * @return
     */
      @PostMapping("/login")
//       1.获取页面提交的密码交给md5进行加密
     public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee ){
               String password=employee.getPassword();
                password= DigestUtils.md5DigestAsHex(password.getBytes());

//       2.根据页面提交的用户名username在数据库中进行查询
         LambdaQueryWrapper<Employee> queryWrapper= new LambdaQueryWrapper<>();
          queryWrapper.eq(Employee::getUsername,employee.getUsername());
          Employee emp=employeeService.getOne(queryWrapper);

//       3.如果没有查询到则查询失败
            if(emp==null){

                return  R.error("登入失败");
            }
//        4.密码比对如果不一致则返回失败
           if(!emp.getPassword().equals(password))
           {
                return  R.error("登入失败");
           }
//        5、查看员工状态，如果为已禁用状态，则返回员工已禁用结果6、登录成功，将员工id存入Session并返回登录成功结集
         if(emp.getStatus()==0){

             return  R.error("账号被禁用");
         }
         //6、登录成功，将员工id存入Session并返回登录成功结果
         request.getSession().setAttribute("employee",emp.getId());
         return R.success(emp);
     }

    /***
     * 员工退出
     * @param request
     * @return
     */
         @PostMapping("/logout")
         public  R<String> logout(HttpServletRequest request){
//             清理Session中保持的当前员工id
             request.getSession().removeAttribute("employee");
          return  R.success("退出成功");
         }

    /**
     * 新增员工
     * @param request
     * @param employee
     * @return
     */
       @PostMapping
         public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
             log.info("新增员工:{}",employee.toString());
//             设置初始密码“123456”，需要md5加密
             employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));
             employee.setCreateTime(LocalDateTime.now());
             employee.setUpdateTime(LocalDateTime.now());
             //获取当前登录用户id
           long empId= (long) request.getSession().getAttribute("employee");

           employee.setCreateUser(empId);
           employee.setUpdateUser(empId);
           employeeService.save(employee);
             return  R.success("新增员工成功");
         }

    /**
     *员工信息分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
         public R<Page>page(int page,int pageSize,String name){
         log.info("page:{},pageSize:{},name:{}",page,pageSize,name);
           //构造分页构造器
           Page pageInfo=new Page(page,pageSize);
           //构造条件查询
        LambdaQueryWrapper<Employee> queryWrapper=new LambdaQueryWrapper<>();
           //添加过滤条件
         queryWrapper.like(StringUtils.isNotBlank(name),Employee::getName,name);
         //添加排序条件
        queryWrapper.orderByDesc(Employee::getUsername);
        //执行查询
         employeeService.page(pageInfo,queryWrapper);

        return R.success(pageInfo);

         }

    /**
     * 根据ID修改员工信息
     * @param employee
     * @return
     */
    @PutMapping
    public R<String>update(HttpServletRequest request,@RequestBody Employee employee){
           log.info(employee.toString());
           long id=Thread.currentThread().getId();
           log.info("线程Id为{}", id);
//           long empID= (long) request.getSession().getAttribute("employee");
//           employee.setUpdateTime(LocalDateTime.now());
//           employee.setUpdateUser(empID);
          employeeService.updateById(employee);

      return  R.success("员工信息修改成功");
         }

    /***
     * 根据id查询员工信息
     * @param id
     * @return
     */
    @GetMapping("/{id}")
         public R<Employee> getById(@PathVariable long id){
          log.info("根据id查询员工信息");
          Employee employee=employeeService.getById(id);
          return  R.success(employee);
         }
}
